\input zb-basic \input zb-ioport \iteman{io-port 06043781} \itemau{Batir, Necdet; Chen, Chao-Ping} \itemti{Improving some sequences convergent to Euler-Mascheroni constant.} \itemso{Proyecciones 31, No. 1, 29-38 (2012).} \itemcc{} \itemut{Euler-mascheroni constant; harmonic numbers; in-equalities; asymptotic expansion} \itemli{doi:10.4067/S0716-09172012000100004} \end